<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <form action="login" method="post">
        <div>
            用户名<input type="text" name="username" placeholder="请输入用户名">
        </div>
        <div>
            密码<input type="password" name="userpwd" placeholder="请输入密码">
        </div>
        <div>
            <button>登录</button>
        </div>
    </form>
</div>
</body>
</html>